New blood test safety check for rare disease drug monitoring

NCT ID NCT07573059

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study looks at the safety of a special blood test system used to measure arginine levels in people with ARG1 deficiency who are taking the drug Loargys. The test system includes special blood collection tubes that stop the drug from breaking down arginine after the sample is taken. About 100 participants will be enrolled to see if any side effects occur from using this test system.

What this could mean

Our plain-language read of the trial. This is informational only — not medical advice or a prediction.

Active substance

Loargys Arginine Test System (special blood collection tubes and lab test)

What this could lead to

If successful, this study could confirm that the test system is safe for monitoring arginine levels in patients on Loargys, supporting its routine use.

What could go wrong

This is a small, early safety study with no control group, so it cannot prove effectiveness. The test system may still have rare or unexpected side effects.

Disclaimer Read more

This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.

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Conditions

The condition(s) this trial relates to.

arginase deficiency

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Contacts and locations

Study contacts

  • Contact

    Phone: •••-•••-•••• Email: •••••@•••••

Locations

  • Rare Disease Research

    RECRUITING

    Atlanta, Georgia, 303029, United States

    Contact Phone: •••-•••-•••• Email: •••••@•••••